Journal
CATALYSIS LETTERS
Volume 129, Issue 3-4, Pages 344-349Publisher
SPRINGER
DOI: 10.1007/s10562-009-9863-8
Keywords
Titanium dioxide; Ethanol photooxidation; Photoelectrochemical cell; Photooxidation intermediates; Hydrogen production
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Funding
- General Secretariat of Research and Technology Hellas [03EDelta607]
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Production of hydrogen and/or electricity by photocatalytic treatment of aqueous ethanol solutions has been investigated in a two compartment chemically biased photoelectrochemical cell, employing commercial nanocrystalline Titania as photoanode and Pt as cathode. Results show that hydrogen is produced during photooxidation of ethanol by cathode reduction and by means of a flow of external electric current. The performance of the cell decreased after several hours of operation, most possibly due to the formation of hydrocarbons of higher molecular weight. This is contrary to simple photocatalytic ethanol oxidation where complete mineralization of alcohol is observed.
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